# Hierarchy for decomposition tree in dashboard extension

In the **dashboard extension** set up, the hierarchy of the decomposition tree **needs to be defined in the interface**. Simply add all required fields to your hierarchy.

<figure><img src="https://2268858626-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FxF3J9z75cLxrADGYFAvj%2Fuploads%2FiqtBxCci3fImL0mxSbQQ%2Fhierachy.gif?alt=media&#x26;token=9ce7db92-f593-4e82-9344-712ae90b873c" alt=""><figcaption><p>Set up Hierarchy in Dashboard Extension</p></figcaption></figure>